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• Background of the invention ( See also Specification)— 608.01(c)
• Bacteria— 1601
• Bar, Statutory ( See Statutory bar)
• Base claim canceled— 608.01(n)
• Base claim rejected— 608.01(n)
• Benefit of domestic application ( See also Cross-noting)— 211.01(a) ; 211.01(b)
  • Adding benefit claim after filing— 211.02(a)
  • Correcting benefit claim after filing— 211.02(a)
  • Correcting benefit claim after patenting— 1405 ; 1481.03
  • Deleting benefit claim after filing— 211.01(a)
• Benefit of foreign priority ( See also Foreign application)
  • Correcting benefit claim after patenting— 1402 ; 1481.03
• Benelux Designs Convention ( See also Treaties)— 213.01 ; 1504.10
• Best mode— 608.01(h) ; 2165 – 2165.04
  • Affidavit or declaration— 715.10
  • Compared to enablement— 2165.02
  • Computer cases— 2161.01
  • Considerations relevant to— 2165.01
  • Evidence of concealment— 2165 ; 2165.04
  • Form paragraphs used to reject— 2166
  • Requirements for rejection for lack of— 2165.03
• Bibliographic Information— 601.05
• Biological material— 2164.06(a) ; 2164.06(b) ; 2402 ; 2403
• Biotechnology ( See also Nucleotide sequences)— 2400
  • Deposit of biological material— 2403
  • Deposit rules— 2402
  • Deposit term— 2408
  • Enablement— 2164.06(a) ; 2402
  • Examination of applications, deposit issue— 2411 ; 2411.01
  • Patent In computer program— 2430
  • Process claims under pre-AIA 35 U.S.C. 103(b)— 2147
  • Samples— 2410
  • Sequence rules ( See also Sequence rules)— 2412 – 2419.03 ; 2422 – 2422.04 ; 2422.06 ; 2422.07 ; 2422.08 ; 2423 – 2431 ; 2433 ; 2434 ; 2435
• Written description— 2163 ; 2402
• Board of Patent Appeals and Interferences ( See Patent Trial and Appeal Board (PTAB))
• Books in library— 901.06(a)
• Borrowed publications— 901.06(a) ; 901.06(b)
• Box, Mail ( See Correspondence and Mail Stop)
• Breadth, Undue ( See Undue breadth rejection)
• Brief, filed on appeal— 1205
  • Ex parte reexamination— 2274
• Brief description of the drawings ( See also Specification)— 608.01(f)
• Brief summary of invention— 608.01(d) ; 1302.01
• British English spelling— 608.01
• British specification, provisional— 214.03
• Broadening claims in reissue— 1412.03
• Browser executable code in specification— 608.01 ; 608.01(p)
• Budapest Treaty ( See also Microorganisms and Treaties)— 901.05(b) ; 2402 ; 2404.01 ; 2405 ; 2408 ; 2409 ; 2410.01 ; 2410.02 ; 2411.01
  • Depositories— 2405
• Bulletin, Classification ( See Classification and Orders)
• Burden of proof— 2107.02 ; 2112 ; 2113 ; 2163.04 ; 2164.04 ; 2182 – 2184
• Business hours of USPTO— 510

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